| Index: lib/filterNotifier.js | 
| diff --git a/lib/filterNotifier.js b/lib/filterNotifier.js | 
| index 15d9fe9afd5f7067a47b2ae3760f83e6bacc2bbb..00f4d5861400287d0e99c99fc38f08cc2964bfc0 100644 | 
| --- a/lib/filterNotifier.js | 
| +++ b/lib/filterNotifier.js | 
| @@ -47,7 +47,7 @@ exports.FilterNotifier = Object.create(new EventEmitter(), desc({ | 
| */ | 
| addListener(listener) | 
| { | 
| -    let listeners = this._listeners[CATCH_ALL]; | 
| +    let listeners = this._listeners.get(CATCH_ALL); | 
| if (!listeners || listeners.indexOf(listener) == -1) | 
| this.on(CATCH_ALL, listener); | 
| }, | 
|  |